{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "arguments": ["tool", "damage amount", "place", "victim", "time", "payment method", "price", "attack pattern"]}], "input": "A short time later , a message flashed on a hospital computer screen , stating parts of the system would be held hostage until a ransom is paid ."}
{"ransom": [{"tool": "NAN", "damage amount": "NAN", "place": "NAN", "victim": "the system", "time": "NAN", "payment method": "NAN", "price": "NAN", "attack pattern": "be held hostage"}]}